Re: [PATCH 0/5] kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC

[Baoquan He]

Forgot adding kexec to CC, add it now.

On 12/08/23 at 03:30pm, Baoquan He wrote:
> The select of KEXEC for CRASH_DUMP in kernel/Kconfig.kexec will be
> dropped, then compiling errors will be triggered if below config
> items are set:
> 
> ===
> CONFIG_CRASH_CORE=y
> CONFIG_KEXEC_CORE=y
> CONFIG_CRASH_DUMP=y
> ===
> 
> E.g on mips, below link error are seen:
> --------------------------------------------------------------------
> mipsel-linux-ld: kernel/kexec_core.o: in function `kimage_free':
> kernel/kexec_core.c:(.text+0x2200): undefined reference to `machine_kexec_cleanup'
> mipsel-linux-ld: kernel/kexec_core.o: in function `__crash_kexec':
> kernel/kexec_core.c:(.text+0x2480): undefined reference to `machine_crash_shutdown'
> mipsel-linux-ld: kernel/kexec_core.c:(.text+0x2488): undefined reference to `machine_kexec'
> mipsel-linux-ld: kernel/kexec_core.o: in function `kernel_kexec':
> kernel/kexec_core.c:(.text+0x29b8): undefined reference to `machine_shutdown'
> mipsel-linux-ld: kernel/kexec_core.c:(.text+0x29c0): undefined reference to `machine_kexec'
> --------------------------------------------------------------------
> 
> Here, change the incorrect dependency of building kexec_core related object
> files, and the ifdeffery on architectures from CONFIG_KEXEC to
> CONFIG_KEXEC_CORE.
> 
> Testing:
> ========
> Passed on mips and loognarch with the LKP reproducer.
> 
> Baoquan He (5):
>   loongarch, kexec: change dependency of object files
>   m68k, kexec: fix the incorrect ifdeffery and build dependency of
>     CONFIG_KEXEC
>   mips, kexec: fix the incorrect ifdeffery and dependency of
>     CONFIG_KEXEC
>   sh, kexec: fix the incorrect ifdeffery and dependency of CONFIG_KEXEC
>   x86, kexec: fix the wrong ifdeffery CONFIG_KEXEC
> 
>  arch/loongarch/kernel/Makefile  |  2 +-
>  arch/m68k/include/asm/kexec.h   |  4 ++--
>  arch/m68k/kernel/Makefile       |  2 +-
>  arch/mips/cavium-octeon/smp.c   |  4 ++--
>  arch/mips/include/asm/kexec.h   |  2 +-
>  arch/mips/include/asm/smp-ops.h |  2 +-
>  arch/mips/include/asm/smp.h     |  2 +-
>  arch/mips/kernel/Makefile       |  2 +-
>  arch/mips/kernel/smp-bmips.c    |  4 ++--
>  arch/mips/kernel/smp-cps.c      | 10 +++++-----
>  arch/mips/loongson64/reset.c    |  4 ++--
>  arch/mips/loongson64/smp.c      |  2 +-
>  arch/sh/include/asm/kexec.h     |  4 ++--
>  arch/sh/kernel/Makefile         |  2 +-
>  arch/sh/kernel/reboot.c         |  4 ++--
>  arch/sh/kernel/setup.c          |  2 +-
>  arch/x86/boot/compressed/acpi.c |  2 +-
>  17 files changed, 27 insertions(+), 27 deletions(-)
> 
> -- 
> 2.41.0
>